CVE-2022-31780: 
Apache Traffic Server vulnerability analysis and mitigation

CVE-2022-31780 is an Improper Input Validation vulnerability discovered in the HTTP/2 frame handling of Apache Traffic Server. The vulnerability affects Apache Traffic Server versions 8.0.0 to 9.1.2. This security flaw allows an attacker to perform request smuggling attacks (Debian LTS, Debian Security).

The vulnerability is classified as an Improper Input Validation issue specifically affecting the HTTP/2 frame handling mechanism in Apache Traffic Server. The flaw exists in the way the server processes HTTP/2 frames, which could be exploited to perform request smuggling attacks (CVE Mitre).

When exploited, this vulnerability allows attackers to perform request smuggling attacks, which could potentially lead to cache poisoning, request forgery, or other security implications (Debian Security).

The vulnerability requires an attacker to send specially crafted HTTP/2 frames to the affected Apache Traffic Server installation. No specific details about exploitation in the wild have been publicly disclosed (NVD).

The vulnerability has been fixed in Apache Traffic Server version 9.1.3. Various Linux distributions have released security updates to address this issue: Debian Bullseye updated to version 8.1.5+ds-1~deb11u1, Fedora 35 and 36 updated to version 9.1.3-1 (Fedora Update, Debian Security).